Bug 1470501

Summary: SELinux is preventing blueman-mechanism from send message to dbus
Product: [Fedora] Fedora Reporter: Zamir SUN <sztsian>
Component: selinux-policyAssignee: Lukas Vrabec <lvrabec>
Status: CLOSED ERRATA QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: unspecified Docs Contact:
Priority: unspecified    
Version: 26CC: cs.rhbugz, dean.smith, dominick.grift, dwalsh, lvrabec, mgrepl, mmalik, plautrba, pmoore, redhat, ssekidde, voj-tech
Target Milestone: ---   
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: selinux-policy-3.13.1-260.20.fc26 Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2018-03-20 17:32:54 UTC Type: Bug
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
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Description Flags
Error dialog upon Fedora 26 KDE/Plasma login none

Description Zamir SUN 2017-07-13 04:46:55 UTC
Description of problem:
The following messages shows each time I login into F26 XFCE. This is upgraded from Fedora 25. 
g-io-error-quark: GDBus.Error:org.freedesktop.DBus.Python.GLib.Error: Traceback (most recent call last):
  File "/usr/lib64/python3.6/site-packages/dbus/service.py", line 707, in _message_cb
    retval = candidate_method(self, *args, **keywords)
  File "/usr/lib/python3.6/site-packages/blueman/main/DbusService.py", line 38, in wrapper
    return method(*args[1:], **kwargs)
  File "/usr/lib/python3.6/site-packages/blueman/plugins/mechanism/Network.py", line 56, in ReloadNetwork
    self.confirm_authorization(caller, "org.blueman.network.setup")
  File "/usr/libexec/blueman-mechanism", line 166, in confirm_authorization
    action_id, {}, 1, "")
  File "/usr/lib64/python3.6/site-packages/gi/overrides/Gio.py", line 172, in __call__
    None)
GLib.GError: g-dbus-error-quark: GDBus.Error:org.freedesktop.DBus.Error.AccessDenied: An SELinux policy prevents this sender from sending this message to this recipient, 0 matched rules; type="method_call", sender=":1.90" (uid=0 pid=6048 comm="python3 /usr/libexec/blueman-mechanism " label="system_u:system_r:blueman_t:s0") interface="org.freedesktop.PolicyKit1.Authority" member="CheckAuthorization" error name="(unset)" requested_reply="0" destination=":1.10" (uid=995 pid=1172 comm="/usr/lib/polkit-1/polkitd --no-debug " label="system_u:system_r:policykit_t:s0") (9)
 (36)

Version-Release number of selected component (if applicable):
[zsun@zsun-w541 ~]$ rpm -q selinux-policy
selinux-policy-3.13.1-259.fc26.noarch
[zsun@zsun-w541 ~]$ getenforce 
Enforcing
[zsun@zsun-w541 ~]$ grep -v '#' /etc/sysconfig/selinux 
grep: /etc/sysconfig/selinux: Permission denied
[zsun@zsun-w541 ~]$ sudo grep -v '#' /etc/sysconfig/selinux 
[sudo] password for zsun: 

SELINUX=enforcing
SELINUXTYPE=targeted

How reproducible:
Always

Steps to Reproduce:
1.
2.
3.

Actual results:


Expected results:


Additional info:

Comment 1 Raif S. Naffah 2017-09-07 02:01:38 UTC
Created attachment 1322857 [details]
Error dialog upon Fedora 26 KDE/Plasma login

the same happens when logging in w/ Fedora 26 KDE/Plasma after the upgrade from 25 to 26.

the dialog (attached screenshot) and the message (when the 'Exception' item is clicked --same as reported-- follows:

g-io-error-quark: GDBus.Error:org.freedesktop.DBus.Python.GLib.Error: Traceback (most recent call last):
  File "/usr/lib64/python3.6/site-packages/dbus/service.py", line 707, in _message_cb
    retval = candidate_method(self, *args, **keywords)
  File "/usr/lib/python3.6/site-packages/blueman/main/DbusService.py", line 38, in wrapper
    return method(*args[1:], **kwargs)
  File "/usr/lib/python3.6/site-packages/blueman/plugins/mechanism/Network.py", line 56, in ReloadNetwork
    self.confirm_authorization(caller, "org.blueman.network.setup")
  File "/usr/libexec/blueman-mechanism", line 166, in confirm_authorization
    action_id, {}, 1, "")
  File "/usr/lib64/python3.6/site-packages/gi/overrides/Gio.py", line 172, in __call__
    None)
GLib.GError: g-dbus-error-quark: GDBus.Error:org.freedesktop.DBus.Error.AccessDenied: An SELinux policy prevents this sender from sending this message to this recipient, 0 matched rules; type="method_call", sender=":1.58" (uid=0 pid=1961 comm="python3 /usr/libexec/blueman-mechanism " label="system_u:system_r:blueman_t:s0") interface="org.freedesktop.PolicyKit1.Authority" member="CheckAuthorization" error name="(unset)" requested_reply="0" destination=":1.8" (uid=999 pid=930 comm="/usr/lib/polkit-1/polkitd --no-debug " label="system_u:system_r:policykit_t:s0") (9)
 (36)

Comment 2 Dean Smith 2017-09-10 02:26:05 UTC
I think this is the root cause of the even earlier issue: https://bugzilla.redhat.com/show_bug.cgi?id=1441920

I have the same problem on boot with Fedora 26 GNOME, upgraded from Fedora 25. I am not sure if it happened immediately after the upgrade, as I may have installed blueman once I was on F26.

Comment 3 Milos Malik 2018-01-22 09:15:08 UTC
----
type=USER_AVC msg=audit(01/22/2018 08:01:52.414:246) : pid=803 uid=dbus auid=unset ses=unset subj=system_u:system_r:system_dbusd_t:s0-s0:c0.c1023 msg='avc:  denied  { send_msg } for msgtype=method_call interface=org.freedesktop.PolicyKit1.Authority member=CheckAuthorization dest=:1.6 spid=2245 tpid=855 scontext=system_u:system_r:blueman_t:s0 tcontext=system_u:system_r:policykit_t:s0 tclass=dbus  exe=/usr/bin/dbus-daemon sauid=dbus hostname=? addr=? terminal=?' 
----

# rpm -qa selinux\*
selinux-policy-sandbox-3.13.1-260.18.fc26.noarch
selinux-policy-3.13.1-260.18.fc26.noarch
selinux-policy-devel-3.13.1-260.18.fc26.noarch
selinux-policy-targeted-3.13.1-260.18.fc26.noarch
# sesearch -s blueman_t -t policykit_t -c dbus -A
# sesearch -t blueman_t -s policykit_t -c dbus -A
#

Comment 4 Milos Malik 2018-01-26 09:04:25 UTC
Caught in permissive mode:
----
time->Fri Jan 26 04:02:24 2018
type=USER_AVC msg=audit(1516957344.916:404): pid=400 uid=81 auid=4294967295 ses=4294967295 subj=system_u:system_r:system_dbusd_t:s0-s0:c0.c1023 msg='avc:  denied  { send_msg } for msgtype=method_call interface=org.freedesktop.DBus.Properties member=GetAll dest=:1.6 spid=9771 tpid=432 scontext=system_u:system_r:blueman_t:s0 tcontext=system_u:system_r:policykit_t:s0 tclass=dbus permissive=1  exe="/usr/bin/dbus-daemon" sauid=81 hostname=? addr=? terminal=?'
----
time->Fri Jan 26 04:02:24 2018
type=USER_AVC msg=audit(1516957344.916:405): pid=400 uid=81 auid=4294967295 ses=4294967295 subj=system_u:system_r:system_dbusd_t:s0-s0:c0.c1023 msg='avc:  denied  { send_msg } for msgtype=method_return dest=:1.44 spid=432 tpid=9771 scontext=system_u:system_r:policykit_t:s0 tcontext=system_u:system_r:blueman_t:s0 tclass=dbus permissive=1  exe="/usr/bin/dbus-daemon" sauid=81 hostname=? addr=? terminal=?'
----
# rpm -qa selinux\*
selinux-policy-devel-3.13.1-283.21.fc27.noarch
selinux-policy-targeted-3.13.1-283.21.fc27.noarch
selinux-policy-3.13.1-283.21.fc27.noarch
#

Comment 5 Fedora Update System 2018-03-12 18:29:18 UTC
selinux-policy-3.13.1-260.20.fc26 has been submitted as an update to Fedora 26. https://bodhi.fedoraproject.org/updates/FEDORA-2018-1969794434

Comment 6 Fedora Update System 2018-03-13 23:57:17 UTC
selinux-policy-3.13.1-260.20.fc26 has been pushed to the Fedora 26 testing repository. If problems still persist, please make note of it in this bug report.
See https://fedoraproject.org/wiki/QA:Updates_Testing for
instructions on how to install test updates.
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2018-1969794434

Comment 7 Fedora Update System 2018-03-20 17:32:54 UTC
selinux-policy-3.13.1-260.20.fc26 has been pushed to the Fedora 26 stable repository. If problems still persist, please make note of it in this bug report.